user can edit their pseudonym
attempting to update display names on posts by user when user changes pseudo
display name is pseudo + last name
on user pseudo update all posts by user that are non-anon get their names fields updated
can limit users to oberlin.edu emails
Merge pull request #13 from jackrr/view-and-edit-user-info

View and edit user info
topic popularity system.

unfortunately, some references to TopicPopInfo model are broken. maybe circular reference to it in topicSchema?
circular reference gone. fixed incorrect warn update on topicPopInfo method name
clicking a topic preview directs to view topic link in preview
load more topic previews on scroll to bottom of topic list
Merge pull request #14 from jackrr/topic-sorting-and-preview-paging

Topic sorting and preview paging
Merge branch 'master' of https://github.com/jackrr/obiechat into production

Conflicts:
	config.json
	db/schema/userSchema.js